S&S Cycle

S&S Cycle 124" Power Package For Harley Oil Cooled Milwaukee-Eight 2017-2026

Item: P672074
Customer rating is 4.5 out of 5 stars.
4 Read 4 Reviews 20 Q&As Write a Review

Everything you need to boost your M8 motor up to a mind blowing 124 cubic inches! In addition to the increased bore, you also receive the perfect pack… Read More

Current price: $3,294.95$3,497.95 Price depends on product options. Make a selection to update price.
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Product Details

S&S Cycle 124" Power Package For Harley Oil Cooled

Everything you need to boost your M8 motor up to a mind blowing 124 cubic inches! In addition to the increased bore, you also receive the perfect package of parts tailor made to work together for boosted performance like no other, and reliability to boot, thanks to the high quality oil pump and cam plate.

Features:

  • 4 1/4​" bore cylinders with 11:1 forged pistons
  • Wrinkle black finish with or without fin highlighting
  • S&S oil pump/cam plate with a blue anodized finish
  • Passage plugs are removable for servicing
  • Independent scavenge sections for flywheel cavity and cam chest
  • Debris screen in both scavenge pickups
  • Magnet in cam chest to help prevent debris from entering the oil pump
  • Increased oil flow capacity on both the oil feed and scavenge side
  • Adjustable pressure relief valve can be adjusted with the unit installed in the engine
  • Quickee pushrods with pushrod tubes
  • S&S premium tappets
  • S&S hard anodized black coating black tappet cuffs are billet aluminum construction
  • Improve tappet stability in high lift, high rpm situations
  • S&S 550 cams designed for big bore applications (gear or chain drive cams available)
  • S&S valve springs; work with cams up to .605" lift
  • High-performance conical single-wire spring design
  • All necessary gaskets, bearings and hardware for bolt-on installation included
  • Made in the USA

550 Cam Info:

  • Front Intake open/close 9.4°/29.4°
  • Front Exhaust open/close 62.5°/30.5°
  • Rear Intake open/close 3.1°/31.1°
  • Rear Exhaust open/close 59.4°/38.4°
  • Front Intake duration 218.9°
  • Rear Intake duration 214.2°
  • Front Exhaust duration 273.1°
  • Rear Exhaust duration 277.8°
  • Intake Lift .550"
  • Exhaust Lift .550"
  • Front Intake Lobe Center Line 100.0°
  • Front Exhaust Lobe Center Line 106.0°
  • Rear Intake Lobe Center Line 104.0°
  • Rear Exhaust Lobe Center Line 100.5°
  • Front Intake Lift at TDC .127"
  • Front Exhaust Lift at TDC .232"
  • Rear Intake Lift at TDC .099"
  • Rear Exhaust Lift at TDC .264"
  • Front Overlap 39.9°
  • Rear Overlap 41.5°
Made in the USA
Product Style RevZilla Item # Store Sku MFR. Product # Availability
Product Style Highlighted Fins / Black Pushrod Tubes / Chain Drive RevZilla Item #10555143 Store Sku MFR. Product #310-1056C AvailabilityIn Stock: Ships within 24 hours
Product Style Highlighted Fins / Chrome Pushrod Tubes / Chain Drive RevZilla Item #10581695 Store Sku MFR. Product #310-1052D AvailabilityOut of Stock
Product Style Chain Drive / Non-Highlighted Fins / Black Pushrod Tubes RevZilla Item #10581697 Store Sku MFR. Product #310-1057D AvailabilityOut of Stock
Product Style Highlighted Fins / Chrome Pushrod Tubes / Gear Drive RevZilla Item #10581696 Store Sku MFR. Product #310-1053D AvailabilityOut of Stock
Product Style Highlighted Fins / Black Pushrod Tubes / Gear Drive RevZilla Item #10581698 Store Sku MFR. Product #310-1058D AvailabilityOut of Stock
Product Style Gear Drive / Non-Highlighted Fins / Black Pushrod Tubes RevZilla Item #10581699 Store Sku MFR. Product #310-1059D AvailabilityOut of Stock
Please review this product's fitment notes & exceptions prior to purchase: Add to Cart
This product is vehicle specific.
Select a vehicle to ensure fitment.
Fitment Notes & Exceptions
  • This product is not legal for street use on an emissions-controlled vehicle. It may be used on dedicated competition or pre-pollution-controlled vehicles only.
    • For Oil Cooled 107" Milwaukee Eight engines only
      • Will not fit Water Cooled models
    • Due to inherent characteristics of gear-driven cams, you may experience greater valve train noise
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    Product Description
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    4 Customer Reviews for All Models
    Customer rating is 4.5 out of 5 stars. 4 total customer reviews 4.5/5
    20 Questions & 11 Answers for All Models
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